806601890827 has 4 divisors (see below), whose sum is σ = 807856326760. Its totient is φ = 805347454896.

The previous prime is 806601890819. The next prime is 806601890879. The reversal of 806601890827 is 728098106608.

806601890827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 806601890827 - 2³ = 806601890819 is a prime.

It is a super-2 number, since 2×806601890827² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806691890827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627217002 + ... + 627218287.

It is an arithmetic number, because the mean of its divisors is an integer number (201964081690).

Almost surely, 2^806601890827 is an apocalyptic number.

806601890827 is a deficient number, since it is larger than the sum of its proper divisors (1254435933).

806601890827 is a wasteful number, since it uses less digits than its factorization.

806601890827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254435932.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 806601890827 in words is "eight hundred six billion, six hundred one million, eight hundred ninety thousand, eight hundred twenty-seven".